This boss fight is hard but it is rewarding.
Note: Minify the command to avoid issues :)
Custom Head Chest
Minecraft Story Mode Jesse's Enchanted Sword
Custom Enchants :O
The Grim Reaper Boss fight (Hard unless you have smite enchantment on your sword)
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)